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EP 4 423 159 A1

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(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 21811236.5 (22) Date of filing: 28.10.2021

(51) International Patent Classification (IPC):  C08G 18/32(2006.01) C08G 18/75(2006.01) C08L 75/02(2006.01) C08K 3/26(2006.01) C08G 18/72(2006.01) C08G 18/76(2006.01) C08L 91/06(2006.01) (52) Cooperative Patent Classification (CPC): C08G 18/755; C08G 18/758; C08G 18/7664; C08G 18/3228; C08K 2003/265; C08G 18/724; C08L 75/02; C08L 91/06; C08K 3/346; C08K 3/26   C-Sets: C08K 3/26, C08L 75/02; C08K 3/346, C08L 75/02; C08K 3/346, C08L 91/06; C08K 3/26, C08L 91/06; (86) International application number: PCT/CN2021/127007 (87) International publication number: WO 2023/070431 (04.05.2023 Gazette 2023/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: DOW GLOBAL TECHNOLOGIES LLC Midland, MI 48674 (US)	(72) Inventors: HU, Minbiao Shanghai 201203 (CN) ZHANG, Liang Shanghai 201203 (CN) ZHANG, Jiguang Shanghai 201203 (CN) LI, Wei Shanghai 201203 (CN) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)